Z-rna

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A configuration of RNA, left-hand twisting double helix, that takes up a zigzagging form due to the natural right-hand twisting tendency of double-stranded RNA. uncountable
  2. 2
    An RNA helix in such a configuration. countable

Etymology

From Z + RNA. Blend of Z-DNA + RNA. From zigzagging of the zigzag configuration RNA, an RNA analogue of the previously discovered Z-DNA.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.